The Invasion From the East

Intro
"Grampa, grampa, i can't get to sleep!", Ferras, the old gate keeper sighed. This happened every night. "you can't get too sleep? How surprising. Oh well, How would you like me too read you a bed time story?", they all nodded. It was a great day that day, the sun was in the sky, the birds singing. They all had to work in the Orchard that day, everyone was tired. "Okay, last one. You've wanted me too read this, children. Am i right?" They all nodded again. A shrew giggled happily, but was glared at by a mouse babe. "Once upon a time..."